250 Recent Publications. 
Notes on Localities of some interesting Minerals. By /. C. Cocyper. 
Jan. 1885. 
Notes on the region of Crooked creek, Kansas. By F. W. Cragin. 
Jan. 1885. 
Notes on the Geology of southern Kansas. By F. W. Cragin. Apr. 
1885. 
Further Notes on the Dakota Gypsum of Kansas. By F. W. Cragin. 
May, 1886. 
Notes on some Rare Minerals of the southwest. By J. C. Cooper. 
July, 1886. 
Preliminary Notes on a Study of Atrypa reticularis. By W. R. Lighton. 
Oct. 1887. 
A new species of Unio from Indian territory. By F. W. Cragin. 
Oct. 1887. 
Geological Notes on the Region south of the Great Bend of the 
Arkansas. By F. W. Cragin. Feb. 1889. 
Check list of the invertebrate fossils from the Cretaceous formations 
of Texas; accompanied by notes on their geographic and geologic dis- 
tribution. By Robt. T. Hill. Univ. of Texas— School of Geology. 
Austin. 8vo. 16 pp. 
Paheontology of the Cretaceous formations of Texas. Part I. Pub- 
lished in installments. By Robt. T. Hill. Austin. Univ. of Texas 
— School of Geology. Roy. Oct. pp. 6, 3 plates. 
The North American Mesozoic : Address of Prof. Charles A. White, 
vice president, Sec.E, A.A.A.S. Toronto. August, 1880. 
Remarks upon sedimentation in the Cincinnati group. .los. F. 
James. Cin. Soc. Nat. Hist. April, 1889. 
Contributions to the Mineralogy of Maryland. Geo. H. Williajns. 
From .Johns Hopkins University Circular No. 75. 
On the discovery and significance of stipules in certain dicotyledo- 
nous leaves of the Dakota rocks. F. H. Snow. Trans. Kansas Acad. 
Science. 1888. 
Salt: its discovery and manufacture in Kansas, with suggestions for 
its use in agriculture. By Robert Hay. Sixth biennial Report. Kan. 
State Board of Agr. 
5. Foreign jmblications. 
Structures et classifications des Roches Eruptives, par A. Michel 
L^vy pp, 82. Paris, 1889. 
The present state of the Archsean controversy in Britain. By 
Charles Callaway. Ex. from the Geol. Mag. Dec. iii. vol vi. No. 301, 
1889. 
Limestone District, part of the Palmer Gold field (with map). By 
Robert L. Jack, Government Geologist, Queensland. 
Sur un gisement francais de melaphyres Ti enstatite, par M. A. 
Michel L6vy. Mars, 1889. Paris. 
Les Geologues et la Geologie du Jura, jusqu'en 1870, par Jules 
Marcou. Ext. Mem. de la Societe 'd Emulation du Jura, pp. 84. Lons- 
Le-Saunier, 1889. 
